basics.cc

#include "basics.h"

namespace basics {

  void init(Handle<Object> target) {
    
    NODE_SET_METHOD(target, "init", Init);
    
  }

  Handle<Value> Init(const Arguments& args) {
    HandleScope scope;

    if (!(args.Length() == 1 && args[0]->IsNumber())) {
      return ThrowException(Exception::TypeError(String::New("Invalid arguments: Expected init(flags)")));
    }

    if (SDL_Init(args[0]->Int32Value()) < 0) {
      return ThrowException(Exception::Error(String::New(SDL_GetError())));
    }

    return Undefined();
  }

}

basics.h

#ifndef BASICS_H
#define BASICS_H

#include "includes.h"
#include <SDL2/SDL.h>

namespace basics {
  
  static void init(Handle<Object> target);

  static Handle<Value> Init(const Arguments& args);

}

#endif

error.txt

  c++ '-D_LARGEFILE_SOURCE' '-D_FILE_OFFSET_BITS=64' '-D_DARWIN_USE_64_BIT_INODE=1' -I/Users/conner/.node-gyp/0.8.9/src -I/Users/conner/.node-gyp/0.8.9/deps/uv/include -I/Users/conner/.node-gyp/0.8.9/deps/v8/include  -Os -gdwarf-2 -mmacosx-version-min=10.5 -arch x86_64 -Wall -Wendif-labels -W -Wno-unused-parameter -fno-rtti -fno-exceptions -fno-threadsafe-statics -fno-strict-aliasing -MMD -MF ./Release/.deps/Release/obj.target/sdl2/src/sdl.o.d.raw  -c -o Release/obj.target/sdl2/src/sdl.o ../src/sdl.cc
In file included from ../src/sdl.cc:5:
../src/basics.h:11:24: warning: unused function 'Init'
      [-Wunused-function]
  static Handle<Value> Init(const Arguments& args);
                       ^
../src/basics.h:9:15: warning: function 'basics::init' has
      internal linkage but is not defined
  static void init(Handle<Object> target);
              ^
../src/sdl.cc:14:11: note: used here
  basics::init(target);
          ^
2 warnings generated.
  c++ '-D_LARGEFILE_SOURCE' '-D_FILE_OFFSET_BITS=64' '-D_DARWIN_USE_64_BIT_INODE=1' -I/Users/conner/.node-gyp/0.8.9/src -I/Users/conner/.node-gyp/0.8.9/deps/uv/include -I/Users/conner/.node-gyp/0.8.9/deps/v8/include  -Os -gdwarf-2 -mmacosx-version-min=10.5 -arch x86_64 -Wall -Wendif-labels -W -Wno-unused-parameter -fno-rtti -fno-exceptions -fno-threadsafe-statics -fno-strict-aliasing -MMD -MF ./Release/.deps/Release/obj.target/sdl2/src/basics.o.d.raw  -c -o Release/obj.target/sdl2/src/basics.o ../src/basics.cc
../src/basics.cc:5:8: warning: unused function 'init'
      [-Wunused-function]
  void init(Handle<Object> target) {
       ^
1 warning generated.
  ./gyp-mac-tool flock ./Release/linker.lock c++ -shared -Wl,-search_paths_first -mmacosx-version-min=10.5 -arch x86_64 -L./Release -install_name @loader_path/sdl2.node  -o Release/sdl2.node Release/obj.target/sdl2/src/sdl.o Release/obj.target/sdl2/src/basics.o -undefined dynamic_lookup -framework SDL2
  SOLINK_MODULE(target) Release/sdl2.node: Finished

includes.h

#include <SDL2/SDL.h>

#include <node.h>
using namespace node;

#include <v8.h>
using namespace v8;

sdl.cc

#define BUILDING_NODE_EXTENSION

#include "includes.h"

#include "basics.h"
#include "events.h"
#include "video.h"
#include "audio.h"
#include "threads.h"
#include "timers.h"
#include "files.h"

extern "C" void init(Handle<Object> target) {
  basics::init(target);
  // events::init(target);
  // video::init(target);
  // audio::init(target);
  // threads::init(target);
  // timers::init(target);
  // files::init(target);
}

NODE_MODULE(sdl2, init);